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What is known as the net movement of any type of molecule from a region of higher concentration to a region of lower concentration?
ATP is being rapidly consumed near the cellular membrane.
Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
endocytosis
Substances can move from areas of low concentration to areas of high concentration
down its concentration gradient
They will shrink because water will move out of them.
The concentration of materials outside the cell becomes greater than the concentration of materials inside the cell.
diffusion
Which statement is true regarding active transport?
ATP is being rapidly consumed near the cellular membrane.
Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
endocytosis
Substances can move from areas of low concentration to areas of high concentration
down its concentration gradient
They will shrink because water will move out of them.
The concentration of materials outside the cell becomes greater than the concentration of materials inside the cell.
diffusion
In general, in what direction does a diffusing substance move?
ATP is being rapidly consumed near the cellular membrane.
Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
endocytosis
Substances can move from areas of low concentration to areas of high concentration
down its concentration gradient
They will shrink because water will move out of them.
The concentration of materials outside the cell becomes greater than the concentration of materials inside the cell.
diffusion
Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?
ATP is being rapidly consumed near the cellular membrane.
Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
endocytosis
Substances can move from areas of low concentration to areas of high concentration
down its concentration gradient
They will shrink because water will move out of them.
The concentration of materials outside the cell becomes greater than the concentration of materials inside the cell.
diffusion
What causes the diffusion process to stop?
ATP is being rapidly consumed near the cellular membrane.
Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
endocytosis
Substances can move from areas of low concentration to areas of high concentration
down its concentration gradient
They will shrink because water will move out of them.
The concentration of materials outside the cell becomes greater than the concentration of materials inside the cell.
diffusion
All of the following are types of passive transport except
ATP is being rapidly consumed near the cellular membrane.
Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
endocytosis
Substances can move from areas of low concentration to areas of high concentration
down its concentration gradient
They will shrink because water will move out of them.
The concentration of materials outside the cell becomes greater than the concentration of materials inside the cell.
diffusion
A freshwater plant is placed in a container of saltwater. What will most likely happen to the cells of the plant?
ATP is being rapidly consumed near the cellular membrane.
Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
endocytosis
Substances can move from areas of low concentration to areas of high concentration
down its concentration gradient
They will shrink because water will move out of them.
The concentration of materials outside the cell becomes greater than the concentration of materials inside the cell.
diffusion
What is (are) the main difference(s) between passive transport and active transport?
ATP is being rapidly consumed near the cellular membrane.
Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
endocytosis
Substances can move from areas of low concentration to areas of high concentration
down its concentration gradient
They will shrink because water will move out of them.
The concentration of materials outside the cell becomes greater than the concentration of materials inside the cell.
diffusion
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